Emergence and mating behavior of the pink borer, Sesamia inferens (Walker) (Lepidoptera : Noctuidae)

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Emergence pattern and mating behavior of the pink borer, Sesamia inferens (Walker) (Lepidoptera : Noctuidae) were studied in the laboratory at 25℃ under 14L10D photoregime. Both sexes emerged most frequently at 1.5 h after lights off, but males emerged significantly earlier than females. 0-day-old females started calling at an average of 4.9 h after lights off, while 1- to 4-day-old females did so at around 3.8h after lights off. For mating among different ages, the highest copulation rate for females was observed at 0-day-old (83.3%) and the lowest at 4-day-old (56.7%). The mating time of 4-day-old females was irregular, and some unmated females conducted oviposition behavior. Therefore, S. inferens females appear to mature early. Mean mating duration of S. inferens was 1.29±0.71 h (mean±SD).
日本応用動物昆虫学会の論文
2004-11-25